Astrophysicists explore links between atmospheric oxygen and detecting extraterrestrial technology on distant planets
Air Supply: Coined by astrophysics Adam Frank and Amedeo Balbi, the “oxygen bottleneck” describes the critical threshold that separates worlds capable of fostering technological civilizations from those that fall short. “Without a ready source of fire, you’re never going to develop higher technology,” says Frank . Credit: University of Rochester illustration / Michael Osadciw In … Read more